Deck 5: The Integumentary System

Question 1

Where is the basement membrane of the skin?

A)Between the epidermis and dermis
B)Between the epidermis and hypodermis
C)Between the hypodermis and underlying tissues
D)Between the dermis and hypodermis

Answer 1

A

Question 2

Which of the following prevents the skin from overstretching and gives it strength?

A)Melanin
B)Collagen fibers
C)Adipose tissue
D)Elastic fibers

Answer 2

B

Question 3

The skin is waterproof,not allowing water to come in or out.Which protein is most responsible for this property?

A)Keratin
B)Melanin
C)Carotene
D)Sebum

Answer 3

C

Question 4

In which layer of the epidermis are cells constantly dividing?

A)Stratum corneum
B)Stratum lucidum
C)Stratum dermis
D)Stratum basale

Question 5

The dermal papillae,found in the superficial hypodermis,create the unique fingerprints of individuals.

Question 6

What is the function of Langerhans cells?

A)Water-proofing
B)UV protection
C)Register pain
D)Phagocytize microbes

Question 7

Which cell type is the most numerous in the epidermis?

A)Keratinocytes
B)Melanocytes
C)Merkel cells
D)Langerhans cells

Question 8

The skin consists of ____ layer(s).

A)1
B)2
C)3
D)4

Question 9

A person with no color in their skin,hair,and eyes has

A)melanoma.
B)jaundice.
C)albinism.
D)a hematoma.

Question 10

Which is the correct list of the strata of the epidermis,in order?

A)Corneum,lucidum,granulosum,spinosum,basale
B)Corneum,lucidum,spinosum,granulosum,basale
C)Lucidum,corneum,spinosum,granulosum,basale
D)Basale,lucidum,corneum,granulosum,spinosum

Question 11

The epidermis and dermis make up the

A)serous membrane.
B)subcutaneous membrane.
C)integument.
D)hypodermis.

Question 12

Which layer of the epidermis protects from abrasion and is found only in thick skin?

A)Stratum basale
B)Hypodermis
C)Stratum corneum
D)Stratum lucidum

Question 13

Which of the following types of cells are NOT found in the epidermis?

A)Squamous epithelial cells
B)Langerhans cells
C)Red blood cells
D)Melanocytes

Question 14

The inability to produce the pigment melanin is called

A)albinism.
B)cyanosis.
C)decubitus.
D)alopecia.

Question 15

What happens to cells when they move from the epidermis to the surface of the skin?

A)They become softer and more pliable.
B)They divide more.
C)They die.
D)They become dermal cells.

Question 16

Which layer of the epidermis is closest to the surface?

A)Stratum lucidum
B)Stratum corneum
C)Dermis
D)Stratum basale

Question 17

Merkel cells detect sensations of

A)pain.
B)deep pressure.
C)touch.
D)temperature.

Question 18

The skin is both an organ and an organ system.

Question 19

The dermis is composed of

A)stratified squamous epithelium.
B)pseudostratified columnar epithelium.
C)loose connective tissue.
D)dense irregular connective tissue.

Question 20

We constantly shed dead skin cells into the environment.From which epidermal layer do the cells shed?

A)Stratum corneum
B)Stratum lucidum
C)Stratum basale

Question 21

An inflammation of sebaceous glands that occurs during adolescence is

A)impetigo.
B)psoriasis.
C)acne vulgaris.
D)decubitus ulcer.

Question 22

The hypodermis consists mostly of

A)adipose tissue.
B)dense regular connective tissue.
C)dense irregular connective tissue.
D)stratified squamous epithelium.

Question 23

Which type(s)of skin gland(s)become(s)active with puberty?

A)Sebaceous gland
B)Apocrine sweat gland
C)Eccrine sweat gland
D)Both sebaceous and apocrine sweat glands.

Question 24

Which type of gland functions to cool the body with its secretions?

A)Eccrine
B)Apocrine
C)Sebaceous
D)Ceruminous

Question 25

Which of the following allows movement of muscles and joints and maintains normal skin tension?

A)Elastic fibers
B)Collagen fibers
C)Sensory fibers
D)Dermal papillae

Question 26

The area of rapidly dividing cells in the nail base is the

A)cuticle.
B)nail bed.
C)lunula.
D)follicle.

Question 27

The loss of hair is termed

A)alopecia.
B)hirsutism.
C)cyanosis.
D)albinism.

Question 28

What type of gland is associated with hair follicles?

A)Sebaceous glands
B)Apocrine sweat glands
C)Eccrine sweat glands
D)Ceruminous glands

Question 29

Reduced blood flow into the dermis will cause

A)cyanosis.
B)pallor.
C)blushing.
D)jaundice.

Question 30

Which consists of keratinized cells?

A)Hair
B)Nails
C)Stratum corneum
D)All apply.

Question 31

Which layer of the skin contains blood vessels AND nerve fibers?

A)Epidermis
B)Dermis
C)Epidermis and dermis

Question 32

What type of skin gland secretes earwax?

A)Sebaceous gland
B)Eccrine sweat gland
C)Apocrine sweat gland
D)Ceruminous gland

Question 33

Which type of gland opens into hair follicles and secretes sweat after puberty?

A)Sebaceous glands
B)Apocrine sweat glands
C)Eccrine sweat glands
D)Ceruminous glands

Question 34

Poorly oxygenated blood in the dermis will cause an individual to

A)turn cyanotic.
B)blush.
C)have pallor.
D)be pinkish.

Question 35

Hair is produced by epithelial cells located in the

A)epidermis.
B)dermis.
C)hypodermis.
D)dermis and hypodermis.

Question 36

Which of the these pairs is incorrectly matched?

A)Hair follicle - smooth muscle that contracts to move the hair
B)Hair shaft - the part of the hair beyond the skin
C)Hair root - the part of the hair buried in the skin
D)Hair matrix - the growth center of the hair

Question 37

What type of skin gland secretes sweat?

A)Sebaceous gland
B)Sudoriferous gland
C)Ceruminous gland
D)Mammary gland

Question 38

Continuous pressure that reduces blood supply to the skin can result in a(n)

A)urticaria.
B)decubitus ulcer.
C)hirsutism.
D)callus.

Question 39

The arrector pili muscle

A)is a smooth muscle.
B)causes hair to "stand on end."
C)contracts when cold,forming goose bumps.
D)All apply.

Question 40

A condition described by excessive body and facial hair in women is

A)hirsutism.
B)decubitus ulcer.
C)scabies.
D)alopecia.

Question 41

Along with sweat glands,what actively regulates body temperature?

A)Adipose tissue
B)Blood vessels
C)Sebaceous glands
D)All apply.

Question 42

When one walks into a cold room,exposed skin will experience

A)dermal vasoconstriction.
B)dermal vasodilation.
C)epidermal vasoconstriction.
D)increased sweat gland activity.

Question 43

_______ is characterized by a too-low body temperature,while _______ is characterized by a too-high body temperature.

A)Hypothermia;hyperthermia
B)Hyperthermia;hypothermia

Question 44

In the ABCDE rule for melanoma,"B" stands for

A)borders that are even.
B)borders that are irregular.
C)burning feeling.
D)bright colors.

Question 45

Eczema is

A)a bacterial infection.
B)caused by over keratinization.
C)caused by sensitivity to chemicals.
D)caused by overactive cell division giving silvery scales.

Question 46

What in the skin contracts when environmental temperatures decrease?

A)Arrector pili
B)Sweat glands
C)Sebaceous glands
D)Hair

Question 47

What condition is described by high temperature,low blood pressure,and loss of salts due to profuse sweating?

A)Heat exhaustion
B)Heat stroke
C)Fever
D)Hypothermia

Question 48

Which is the most dangerous form of skin cancer?

A)Basal cell carcinoma
B)Squamous cell carcinoma
C)Melanoma
D)Both basal cell carcinoma and squamous cell carcinoma

Question 49

Impetigo is

A)a bacterial infection resulting in crusty pustules.
B)caused by over keratinization.
C)overactive cell division.
D)a fungal infection.

Question 50

Vitamin D is needed by the body to

A)form keratin.
B)absorb calcium from food.
C)make blood cells.
D)help the skin tan.

Question 51

What is needed to produce vitamin D?

A)Calcium
B)Sebum
C)Ultraviolet light
D)Melanin

Question 52

Which of the following is the most common type of skin cancer?

A)Basal cell carcinoma
B)Squamous cell carcinoma
C)Melanoma
D)Kaposi's sarcoma

Question 53

Hyperthermia that is brought on by a bacterial infection is called

A)fever.
B)hypothermia.
C)cyanosis.
D)sweating.

Question 54

When body temperature soars to as high as 110 degrees F,and sweating ceases,the patient is said to have

A)heat stroke.
B)heat exhaustion.
C)fever.
D)hypothermia.

Question 55

Dandruff is

A)a viral infection of the scalp.
B)caused by over keratinization.
C)caused by sensitivity to chemicals.
D)a fungal infection of the scalp.

Question 56

Sebaceous glands secrete

A)sebum.
B)cerumin.
C)sweat.
D)breast milk.

Question 57

The ABCDE rule is used to determine the skin area involved in a burn.

Question 58

Athlete's foot is

A)a bacterial infection.
B)caused by over keratinization.
C)caused by sensitivity to chemicals.
D)a fungal infection.

Question 59

Another name for hives is psoriasis.

Question 60

Mammary glands secrete cerumin.

Question 61

Pain is rarely felt from a

A)first-degree burn.
B)second-degree burn.
C)third-degree burn.
D)sunburn.

Question 62

The integumentary system works with the _______ system to protect the body against infection.

A)cardiovascular
B)lymphatic
C)digestive
D)reproductive

Question 63

How does the skin work closely with the skeletal system?

A)It produces sweat.
B)It produces sweat.
C)It stores fat.
D)It protects against infection.

Question 64

What type of skin cancer is seen most often in patients with AIDS?

A)Kaposi's sarcoma
B)Basal cell carcinoma
C)Melanoma
D)Squamous cell carcinoma

Question 65

Which of the following helps explain why elderly people have trouble with thermoregulation?

A)Their skin has less collagen.
B)They have fewer sweat glands.
C)They have fewer sebaceous glands.
D)The epidermis becomes thinner.

Question 66

Exposure to sunlight is the most common cause of skin cancer.

Question 67

Severe burns result in

A)fluid loss.
B)heat loss.
C)bacterial infection.
D)All apply.

Question 68

An adult with third-degree burns over 15% of their body would NOT be considered critical.

Question 69

What is NOT a function of fibroblasts in wound healing?

A)Bring about scar formation
B)Promote tissue regeneration
C)Fight infections
D)Pull the margins of wound together

Question 70

What is a scar composed of?

A)Epithelium
B)Blood clot
C)Collagen fibers
D)Areolar tissue

Question 71

What percentage of a person's skin would be involved if they had burned their left arm,front of the trunk,and the front of their left leg?

A)45%
B)40.5%
C)36%
D)31.5%

Question 72

Which pair of terms is INCORRECT?

A)A - assymmetry
B)C - color
C)D - depth
D)E - evolving
E)B - border regularity

Question 73

The epidermis and part of the dermis are damaged from a

A)first-degree burn.
B)second-degree burn.
C)third-degree burn.
D)fourth-degree burn.

Question 74

Only the epidermis is damaged in a

A)first-degree burn.
B)second-degree burn.
C)third-degree burn.
D)fourth-degree burn.

Question 75

Which of the following is NOT a sign of inflammation as seen in a skin injury?

A)Bruise
B)Swelling
C)Redness
D)Pain

Question 76

Which of the following explains why people get gray hair as they age?

A)Collagen decreases in quantity and function with aging.
B)Sebaceous glands decrease in number and function with aging.
C)Hair follicles atrophy and decrease in function with aging.
D)Melanocytes decrease in function with aging.

Question 77

What is the function of a blood clot?

A)Prevents blood loss
B)Prevents toxins from entering other tissues
C)Prevents pathogens from entering other tissue
D)All apply.